3 January 2015 Montblanc announced the TimeWalker Urban Speed e-Strap, an interchangeable strap, with an integrated digital device that offers an activity tracker, smart notifications, remote control and Find-Me functions. The device connects, via Bluetooth Low Energy to selected Android and iOS smartphones.

The e-Strap device is encapsulated in a stainless steel case and has an inbuilt touch screen display that is readable in daylight. Depending on usage, the device can last up to five days before it needs to be recharged. Charging is via a standard micro-USB cable.